SLS Orion Trajectory Analyst, Entry Level; ES2

Overview

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The Mission Analysis and Trajectory Design Engineer supports the development, integration, and testing of flight dynamics simulations for NASA programs including SLS/ARTEMIS and HLS, plus other smaller NASA projects. The role requires a solid background in flight dynamics modelling, programming experience, and the ability to perform high-fidelity analyses to optimize and integrate inputs for flight dynamics of Artemis missions.

• Analyze launch vehicle and spacecraft dynamics, equations of motion, and trajectories to assess spacecraft performance and mission analyses.
• Model ascent and in-space environments, including errors, disturbances, GN&C algorithms, sensors, actuators, and mechanisms.
• Simulate and analyze nominal, contingency, and failure scenarios during ascent and in-space flight.
• Develop algorithms and tools to analyze 3 DOF trajectories using Monte Carlo techniques.
• Perform studies and insight analyses for NASA’s HLS program.
• Execute or modify existing software/scripts in C, Python, and C++.

Required:

A degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related field from an ABET-accredited institution. Typical experience: a Master's with at least 3 years of experience, or a BS with 0–5 years of experience. Must be a U.S. citizen and have a STAR .

To be successful, candidates should be detail-oriented, able to work independently and collaboratively, possess strong communication and interpersonal skills, and ideally have some of the following:

• Dynamic 3 and 6 DOF single-body system modelling
• Matlab, Fortran, C++ programming experience
• Familiarity with Linux, Bash, and computational clusters/servers
• Support the design, integration, and analysis of GN&C products
• Configure, conduct, and analyze 6-DOF Monte Carlo simulations
• Familiarity with convex optimization

Required skills and experiences include:

• Trajectory design and/or mission analysis experience
• Python programming experience
• Copernicus experience
• Software & simulation integration or modelling & simulation experience

Day-to-day activities include:

• Dynamic modelling of 3 and 6 DOF single-body systems
• Mission design and analysis
• Trajectory design analysis
• Creating, editing, and debugging software written in C, Python, Matlab, Fortran, and C++
• Optimization and improvement of analysis tools and GN&C models
• Collaboration with GN&C leads and other engineering disciplines
• Verifying and validating technical products
• Preparing and presenting technical reports and briefings

Office environment with expected clear communication, professional interactions, and travel within the domestic USA (approximately 5%). Ability to work at a computer for extended periods.

Physical requirements include extended sitting, stairs/elevator access, and usage of standard office equipment. Minimum work hours are 7:30–4:30, Monday through Friday, with occasional overtime as needed.

Attending to independent work, sound judgment, and appropriate grooming and dress are essential. U.S. citizenship is required.

Compensation and Benefits

Compensation will be offered as a good-faith estimate; actual amounts vary based on responsibilities, education, experience, skills, and applicable agreements.

Benefits include health, dental, and vision insurance; paid time off and holidays; retirement benefits (including 401(k) matching); educational reimbursement; parental leave; employee stock purchase plan; tax-saving options; disability and life insurance; and pet insurance. Some benefits may vary based on employment type, location, and agreements.

Original Posting: 07/16/2026 – Until Filled

Equal Opportunity

Employer:

Amentum provides equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy, age, ancestry, veteran status, color, religion, marital status, or disability, among other protected categories. See Labor Laws Posters for more information.